What are some best practices for handling JSON data retrieval and manipulation in PHP?

When handling JSON data retrieval and manipulation in PHP, it is best practice to use the built-in functions json_encode() and json_decode() to convert data between JSON and PHP arrays or objects. Additionally, always validate and sanitize user input before manipulating JSON data to prevent security vulnerabilities. 

// Example of retrieving JSON data from a file and decoding it into a PHP array
$jsonData = file_get_contents('data.json');
$dataArray = json_decode($jsonData, true);

// Example of encoding a PHP array into JSON data and saving it to a file
$dataArray['newKey'] = 'newValue';
$newJsonData = json_encode($dataArray);
file_put_contents('data.json', $newJsonData);

Keywords

JSON data retrieval manipulation PHP functions error handling

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